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Finding the Fourth Proportional to 7,313.76, 10,970.94 and 6,089.80

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Solution

The fourth proportional to 7,313.76, 10,970.94 and 6,089.80 is: 9,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.76 : 10,970.94 = 6,089.80 : x
  2. Step 2: Convert to fraction form
    7,313.76/10,970.94 = 6,089.80/x
  3. Step 3: Cross multiply
    7,313.76x = 10,970.94 × 6,089.80
  4. Step 4: Simplify right side
    7,313.76x = 66,810,830.41
  5. Step 5: Solve for x
    x = 66,810,830.41/7,313.76
  6. Step 6: Final answer
    x = 9,134.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.